A Local implementation of a java library functions to create a serverside and clientside application which will communicate over TCP using given port and ip address.

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Overview

localTalk

A Local implementation of java library functions to create a serverside and clientside application which will communicate over TCP using given port and ip address.

An example below is a local wireshark(Packet and Traffic capture tool) Which shows the defined ip address and port communicating on a local network. This is shown by the SYN, SYN,ACK and ACK TCP Headers. image

However, this is just an example of how a very simple serverside, clientside communication can work over TCP/IP, this should not be used in any secure application. An example below shows the same transfer of a piece of secretive data to the serverside, and how insecure the transfer realy is

As you can see the data transfer is succesful and the serverside can see the message sent by the clientside image

However, on our traffic capture tool wireshark we can see, the unencrypted clear text secret password that we sent!. image

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Comments
  • Update ClientSide.java

    Update ClientSide.java

    Changing of old deprecated DataInput read to BufferedReader, removing deprecation error

    Reason for DEP- Readline Deprecated. This method does not properly convert bytes to characters. As of JDK 1.1, the preferred way to read lines of text is via the BufferedReader.readLine() method. Programs that use the DataInputStream class to read lines can be converted to use the BufferedReader class by replacing code of the form:

    opened by Isaacx86 0
  • DataInputStream Readline Depreciation

    DataInputStream Readline Depreciation

    This method does not properly convert bytes to characters. As of JDK 1.1, the preferred way to read lines of text is via the BufferedReader.readLine() method. Programs that use the DataInputStream class to read lines can be converted to use the BufferedReader class by replacing code of the form:

    Replace with new BufferedReader(new InputStreamReader(in));

    opened by Isaacx86 1
Owner
Isaac Barry
2nd year Computer science infrastructure student @TUdublin
Isaac Barry
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